<html><head><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">I've sent a PR for this here <a href="https://github.com/aerogear/aerogear-js/pull/68">https://github.com/aerogear/aerogear-js/pull/68</a><div><br></div><div>I'm still working on unit tests, but it would be nice to have some comments on implementation.</div><div><br></div><div>All existing code should work as before, all the current unit tests code have not been modified and they all pass</div><div><br></div><div><br></div><div>I implemented option #2, which is the "do it for you" option. There is also a JIRA, <a href="https://issues.jboss.org/browse/AGJS-93">https://issues.jboss.org/browse/AGJS-93</a> , to revisit in the future to add more options</div><div><br></div><div><br><div><div>On Oct 30, 2013, at 9:04 AM, Lucas Holmquist <<a href="mailto:lholmqui@redhat.com">lholmqui@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Oct 29, 2013, at 4:04 PM, Kris Borchers <<a href="mailto:kris@redhat.com">kris@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Oct 29, 2013, at 2:52 PM, Lucas Holmquist <<a href="mailto:lholmqui@redhat.com">lholmqui@redhat.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><meta http-equiv="Content-Type" content="text/html charset=iso-8859-1"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><br><div><div>On Oct 28, 2013, at 10:27 AM, Matthias Wessendorf <<a href="mailto:matzew@apache.org">matzew@apache.org</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><div dir="ltr"><br><div class="gmail_extra"><br><br><div class="gmail_quote">On Mon, Oct 28, 2013 at 2:10 PM, Lucas Holmquist <span dir="ltr"><<a href="mailto:lholmqui@redhat.com" target="_blank">lholmqui@redhat.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Hello Everybody,<br>
<br>
Now that we have support for IndexedDB and WebSQL in our Javascript library, i've started a fallback strategy for DataManager.<br>
<br>
There will need to be a bit of deprecation since the 2 new adapters are asynchronous and return a promise/callbacks and the other adapters are synchronous and return the actual data.<br>
<br>
We are thinking of adding an option, "aysnc", the name is up for debate, which would only be valid for the memory and session/local adapters and would default to false and things would return as normal( this would also be removed in the next release and everything would be "async" ), but if true, then these adapters would return like the 2 new adapters, using callbacks/promises.<br>
</blockquote><div><br></div><div>could we make it async only ? </div><div> </div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
<br>
Now on to the Fallback Strategy:<br>
<br>
Here is a use case:<br>
<br>
I'm a user, i create an IndexedDB store, but the device/browser i'm using doesn't support it. I think there are 2 options we can go down here<br>
<br>
<br>
1. The user gets an error back about IndexedDB being not support, just like regular. And they need to "opt-in" to the fallback stuff. this would be an option on the "add" of the Store. Maybe the actual Constructor?<br>
They would also be able to provide a list of adapters to try which would override our predefined list.<br>
<br>
<br>
2. Fallback is assumed and there is no option, it just happens, using our predefined list.<br></blockquote><div><br></div><div><br></div><div>I think it would be nice if the fallback just happens; However, there might be the case that folks have a certain preference in actually specifying the option. Not sure.</div>
<div>As of now I think I'd support the #2</div><div> </div></div></div></div></blockquote><div><br></div><div>anymore thoughts/comments on which fallback strategy should be used?</div></div></div></blockquote><div><br></div>I prefer #1 for flexibility but #2 for simplicity. Honestly there are pluses and minuses both ways. In the spirit of abstractj since either way is probably fine, I say follow your heart. ;)<br></div></div></blockquote><div><br></div><div>that was very helpful. :)</div><div><br></div><div>i think for now, i'll go with #2 for simplicity and create a JIRA to revisit and add the flexibility</div><div><br></div><div><br></div><br><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><blockquote type="cite"><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><div><br></div><br><blockquote type="cite"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
<br>
There is still the question of if the fallback is used, and a "Asynchronous" store falls back to a "Synchronous" one, what should be returned. I'm thinking what ever the return value of the "Async" one was.<br>
<br>
I don't see this as breaking API since the "sync" store was not meant to be created "directly"<br>
<br>
So if they create an IndexedDB store and it fallbacks to a memory adapter, this store will use the "async" model<br></blockquote><div><br></div><div>+1 makes sense</div><div>See question above :-)</div><div> </div>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<br>
<br>
Thoughts, comments, cat pictures,<br>
<br>
-Luke<br>
<br>
<br>
<br>
<br>
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</blockquote></div><br><br clear="all"><div><br></div>-- <br>Matthias Wessendorf <br><br>blog: <a href="http://matthiaswessendorf.wordpress.com/" target="_blank">http://matthiaswessendorf.wordpress.com/</a><br>sessions: <a href="http://www.slideshare.net/mwessendorf" target="_blank">http://www.slideshare.net/mwessendorf</a><br>
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